<template>
    <div class="icons" :options="swiperOption">
         <swiper  >
              <swiper-slide v-for="(page, index) of pages" :key="index">
                    <div class="icon" v-for="item of page" :key="item.id">
                        <div class="icon-img">
                            <img class="icon-img-content" :src='item.imgUrl' alt="">
                            <p class="icon-desc">{{item.desc}}</p>
                        </div> 
                    </div>
             </swiper-slide>
        </swiper>
    </div>
</template>
<script>
export default {
    name:'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOption: {
                autoplay: false
            }
        }
    },
    //计算属性
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item, index) => {
                const page = Math.floor(index / 8)
                if(!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>
<style lang='stylus' scoped>
 @import '~style/varibies.styl'
 @import '~style/mixins.styl'
.icons >>> .swiper-container
    height 0
    padding-bottom 50%
.icon
    position relative
    float left
    width 25%
    height 0
    padding-bottom 25%
 .icon-img
    position absolute
    top 0
    left 0
    right 0
    bottom .44 rem
    box-sizing border-box
    padding .1 rem
    .icon-img-content
        display block
        margin 0 auto
        height 100%
 .icon-desc
    position absolute
    left 0
    right 0
    height .44 rem
    line-height  .44 rem
    text-align center
    color $darkeTextColor
    ellipsis()
</style>